document.write( "Question 329972: Use common logarithms to approximate log9 207 to four decimal places. \n" ); document.write( "
Algebra.Com's Answer #236511 by Fombitz(32388)\"\" \"About 
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USe the change of base formula,
\n" ); document.write( "\"log%289%2C%28207%29%29=log%2810%2C%28207%29%29%2Flog%2810%2C%289%29%29\"
\n" ); document.write( "Use your calculator to work out the right hand side.
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